(4-Hydroxyphenyl)phosphonic Acid CAS 33795-18-5
Purity >95%In StockPharmaceutical Standards
| CAS No. | 33795-18-5 |
| Molecular Formula | C6H7O4P |
| Molecular Weight | 174.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (4-Hydroxyphenyl)phosphonic Acid (CAS 33795-18-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H7O4P. Molecular weight: 174.09 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H7O4P |
| Molecular Weight | 174.09 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
Related Hydroxyphenyl Standards
- (2-Hydroxyphenyl)phosphonic acid (CAS 53104-46-4)
- n-(4-Hydroxyphenyl)-n-methylprop-2-ynamide (CAS 1042536-61-7)
- 1-(4-Hydroxyphenyl)-2-chloroethanol (CAS 4973-17-5)
- Methyl 3-(4-hydroxyphenyl)propiolate (CAS 136634-54-3)
- Methyl 3-(3-hydroxyphenyl)propiolate (CAS 1890847-27-4)
- 2-(2-Hydroxyphenyl)-1H-imidazol-4(5H)-one (CAS 88220-47-7)
- 4-(4-Hydroxyphenyl)-1H-imidazol-2(3H)-one (CAS 944916-40-9)
- 5-(2-Hydroxyphenyl)-2,4-dihydro-3h-pyrazol-3-one (CAS 5186-66-3)
Recommended Standards
- Sofosbuvir Impurity 114 (CAS 701-64-4)
- 2,2-Difluorobenzo[d][1,3]dioxol-5-ol (CAS 1211539-82-0)
- Methyl 2,3,3,3-tetrafluoro-2-methylpropanoate (CAS 38005-11-7)
- 6-Amino-5-chloro-pyridin-3-ol hydrochloride (CAS 1263378-32-0)
- 2,4,6-Trichloropyridine-3,5-dicarboxylic acid (CAS 35592-95-1)
- 2-(Benzofuran-5-Yl)Ethanol (CAS 1000548-28-6)
- N-(2,2-Dimethyl-3-thietanyl)sulfamide (CAS 1849195-72-7)
- n-((1h-Imidazol-2-yl)methyl)-2-fluoro-4-methylaniline (CAS 1250211-05-2)
- (3S,4R,5S,6S)-4,5-Bis(benzyloxy)-6-((benzyloxy)methyl)-2-(p-tolylthio)tetrahydro-2h-pyran-3-yl4-oxopentanoate (CAS 350600-54-3)
- Neuropeptide Y (1-24) amide (human, rat) (CAS 131448-51-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com